
<h1><span class="yiyi-st" id="yiyi-12">numpy.atleast_2d</span></h1>
        <blockquote>
        <p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.atleast_2d.html">https://docs.scipy.org/doc/numpy/reference/generated/numpy.atleast_2d.html</a></p>
        <p>译者：<a href="https://github.com/wizardforcel">飞龙</a> <a href="http://usyiyi.cn/">UsyiyiCN</a></p>
        <p>校对：（虚位以待）</p>
        </blockquote>
    
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<dt id="numpy.atleast_2d"><span class="yiyi-st" id="yiyi-13"> <code class="descclassname">numpy.</code><code class="descname">atleast_2d</code><span class="sig-paren">(</span><em>*arys</em><span class="sig-paren">)</span><a class="reference external" href="http://github.com/numpy/numpy/blob/v1.11.3/numpy/core/shape_base.py#L61-L111"><span class="viewcode-link">[source]</span></a></span></dt>
<dd><p><span class="yiyi-st" id="yiyi-14">将输入视为具有至少两个维度的数组。</span></p>
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<tr class="field-odd field"><th class="field-name"><span class="yiyi-st" id="yiyi-15">参数：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-16"><strong>arys1，arys2，...</strong>：array_like</span></p>
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<div><p><span class="yiyi-st" id="yiyi-17">一个或多个阵列样序列。</span><span class="yiyi-st" id="yiyi-18">非数组输入转换为数组。</span><span class="yiyi-st" id="yiyi-19">已保留两个或更多维度的数组。</span></p>
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<tr class="field-even field"><th class="field-name"><span class="yiyi-st" id="yiyi-20">返回：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-21"><strong>res，res2，...</strong>：ndarray</span></p>
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<div><p><span class="yiyi-st" id="yiyi-22">数组的数组或元组，每个具有<code class="docutils literal"><span class="pre">a.ndim</span> <span class="pre">&gt; =</span> <span class="pre">2</span></code>。</span><span class="yiyi-st" id="yiyi-23">在可能的情况下避免复制，并返回具有两个或更多个维度的视图。</span></p>
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<div class="admonition seealso">
<p class="first admonition-title"><span class="yiyi-st" id="yiyi-24">也可以看看</span></p>
<p class="last"><span class="yiyi-st" id="yiyi-25"><a class="reference internal" href="numpy.atleast_1d.html#numpy.atleast_1d" title="numpy.atleast_1d"><code class="xref py py-obj docutils literal"><span class="pre">atleast_1d</span></code></a>，<a class="reference internal" href="numpy.atleast_3d.html#numpy.atleast_3d" title="numpy.atleast_3d"><code class="xref py py-obj docutils literal"><span class="pre">atleast_3d</span></code></a></span></p>
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<p class="rubric"><span class="yiyi-st" id="yiyi-26">例子</span></p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">atleast_2d</span><span class="p">(</span><span class="mf">3.0</span><span class="p">)</span>
<span class="go">array([[ 3.]])</span>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">x</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="mf">3.0</span><span class="p">)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">atleast_2d</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="go">array([[ 0.,  1.,  2.]])</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">atleast_2d</span><span class="p">(</span><span class="n">x</span><span class="p">)</span><span class="o">.</span><span class="n">base</span> <span class="ow">is</span> <span class="n">x</span>
<span class="go">True</span>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">np</span><span class="o">.</span><span class="n">atleast_2d</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">],</span> <span class="p">[[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">]])</span>
<span class="go">[array([[1]]), array([[1, 2]]), array([[1, 2]])]</span>
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